Plane Polarised Light

Q.

Which of the following carbohydrates is called an invert sugar?

1. Fructose

2. Glucose

3. Sucrose

4. Cellulose

Q. why [Co (en)3] Cl3 donot show geometrical isomerism and why [Pt (NH3) (H2O) Cl2] donot show optical isomerism??

Q. The possible number of geometrical isomers for the complex $\left[Pt\right(N{H}_3\left)\right(N{H}_{2}OH\left)\right(N{O}_2\left)\right(py\left)\right]N{O}_2$ are:

1. 3
2. 4
3. 2
4. 0

Q. Which of the following is the correct statement?

1. Compound having plane of symmetry shows optical activity
2. Compound having centre of symmetry shows optical activity
3. Compounds lack centre and plane of symmetry shows optical activity
4. None of the above

Q. Which of the following square planar complex does not show geometrical isomerism?

AA is symmetrical bidentate ligand
AB is unsymmetrical bidentate ligand
a and b are monodentate ligands

1. $\left[M\right(AB)a_2{]}^{n\pm }$
2. $\left[M\right(AA)a_2{]}^{n\pm }$
3. $[M{a}_{3}b{]}^{n\pm }$
4. All of the above

Q.

Does Ni(gly)2 show optical isomerism or geometric isomerism?

Q. Cr(scn)2(nh3)4] why does it show optical isomerism?

Q. What is the 5th and 6th coordination number of a compound xy where x are in octahedral voids and y are fcc lattice

Q.

The d and l isomer of [Co(en)₃]³⁺ are type of:

1. Geometrical isomerism

2. Optical isomerism

3. Ionisation isomerism

4. Linkage isomerism

Q. Which of the following tetrahedral complexes is/are optically active?

1. 
2. 
3. Both (a) and (b)
4. None of the above

Q. How many geometrical isomers are possible in a complex of type $\left[M{a}_2\right(AA{)}_2]$, where a is unidentate and AA is bidentate symmetrical ligand?

1. 0
2. 2
3. 3
4. 4

Q. Which of the following do not show geometrical isomerism ? (Assume all ligands are unidentate )

1. Square planar $\left[MX{L}_3\right]$
2. Square planar $\left[M{X}_2{L}_2\right]$
3. Octahedral $\left[M{X}_2{L}_4\right]$
4. Octahedral $\left[M{X}_3{L}_3\right]$

Q. Square planar complex of the type $[MAXBL{]}^{n+}$ (where A, B, Xand L are unidentate ligands) shows following set of isomers.

1. Two cis and one trans
2. Two trans and one cis
3. two cis and two trans
4. Three cis and one trans

Q. Which of the following compound(s) have restricted rotation about C-C single bond?

1. 
2. 
3. 
4. 

Q. 14. amonia gas and hcl gas from two dlask at same temperature and pressure were injected simultaneously through pinhole of similar geometry attached at two end of 1 m long glass tube at whay distance from ammonia end the first flask of white fume would be observed show full method

Q.

Why Do We Use Polari-meter

Q. Dissymmetric object is one which

1. Non superimpossible on its mirror image
2. Super impossible on its mirror image
3. Optically inactive
4. Achiral

Q. Find maximum number of plane of symmetry in trigonal crystal system.

Q. explain the octahedral geometry of BrF5 molecule?

Q. Reason for geometrical isomerism shown by but-2-ene is

1. Restricted rotation about double bond
2. Chiral atom
3. Free rotation about double bond
4. Free rotation about single bond

Q. Which kind of isomerism is exibited by octahedral $\left[Co\right(N{H}_3{)}_{4}B{r}_2]Cl$?

1. Geometrical and lonization
2. Geometrical and optical
3. Optical and lonozation
4. Geometrical only

Q. how 2 calculate no. of optical isomers?

Q. How many geometrical isomers are possible in $\left[Al\right(C_2{O}_4{)}_3{]}^{3-}$ ?

1. 0
2. 2
3. 3
4. 4

Q. The number of geometrical isomers for octahedral $\left[CoC{l}_4\right(N{H}_3{)}_2{]}^{-}$ complex is _____

Q. Consider the reaction : Trans-2-butene $\stackrel{B{r}_2/H_{2}O}{\to }A$ (major product). Number of chiral carbon in the product A is

Q. A $300$mm long tube containing $60$cc of sugar solution produces a rotation of $9^o$ when placed in a polarimeter. If the specific rotation is ${60}^o$. Calculate the quantity of sugar contained in the solution.

Q. Match each coordination compound in List-I with an appropriate pair of characteristics from List-II and select the correct answer using the code given below the lists. {$en=H_{2}NC{H}_{2}C{H}_{2}N{H}_2$ atomic numbers : Ti = 22; Cr = 24; Co = 27; Pt = 78}

List - I	List - II
(P) $\left[Cr\right(N{H}_3{)}_{4}C{l}_2]Cl$	(1) Paramagnetic and exhibits ionisation isomerism
(Q) $\left[Ti\right(H_{2}O{)}_{3}Cl\left]\right(N{O}_3{)}_2$	(2) Dimagnetic and exhibits cis-trans isomerism
(R) $\left[Pt\right(en\left)\right(N{H}_3\left)Cl\right]N{O}_3$	(3) Paramagnetic and exhibits cis-trans isomerism
(S) $\left[Co\right(N{H}_3{)}_4\left(N{O}_3{)}_2\right]N{O}_3$	(4) Dimagnetic and exhibits ionisation isomerism

1. P - 4, Q - 2, R - 3, S - 1
2. P - 3, Q - 1, R - 4, S - 2
3. P - 2, Q - 1, R - 3, S - 4
4. P - 1, Q - 3, R - 4, S - 2

Q. Which of the following statement is true about the square planar complex, $\left[Pt\right(gly{)}_2]$?

1. It shows both geometrical and optical isomerism
2. It shows only geometrical isomerism
3. It lacks both geometrical and optical isomerism
4. It shows only optical isomerism

Q. A racemic mixture has:

1. (-) effect on the plane polarised light
2. (+) effect on the plane polarised light
3. no effect on the plane polarised light
4. may be any of (A) or (B)

Q. The two structures of D-glucopyranose forms are:

1. anomers
2. enantiomers
3. epimers
4. diesterioisomers