Archives

Species in which hyperconjugation does not occur is CH3CH2, (CH3)2CH^+, CH3CH=CH2, (CH3)3C−CH2+

CH3CH2, (CH3)2CH+, CH3CH=CH2, (CH3)3C−CH2+ Answer: Hyper conjugation is not shown by compounds which do not have hydrogen attached to... View Article

Which platinum complex is used in cancer chemotherapy

cis[PtCl2(NH3)2] is used in cancer chemotherapy. Platinum complexes are utilised in the treatment of cancer patients through the use of... View Article

Mg_(2)C_(3) reacts with water forming propyne. C_(3)^(4-) has

(C−2=C=C−2) has two sigma and two pi bonds.... View Article

In which of the following species p pi – d pi bond is present but p pi – p pi bond is absent? SiH4, CS2, SO2, SO2Cl2

SiH4, CS2, SO2, SO2Cl2 Answer SO2Cl2 The tetrahedral structure of SO2Cl2 is made up of two oxygen atoms double bound to the core... View Article

Tungsten is used in electric bulb because mcq

Tungsten is used for the manufacture of the filament of an electric bulb because it has a very high melting point. Pure tungsten has some amazing... View Article

Two non-reactive monoatomic ideal gases have their atomic masses in the ratio (2 : 3). The ratio of their partial pressure, when enclosed in a vessel kept at a constant temperature, is (4 : 3). The ratio of their densities is :

Pm = dRTTherefore,P1m1/P2m2 = d1/d2 (At constant temperature)4×2/3×3 = d1/d2D1:d2 = 8:9... View Article

S O bond length is max in socl2

SOCl2 SOBr2 SOF2 All have same length Answer In SOBr2. S - O bond has maximum bond length in comparison to S - O bond lengths in SOF2... View Article

Ester of formic acid and grignard reagent

Methyl formate on reaction with excess Grignard reagent followed by the hydrolysis gives a secondary alcohol. ... View Article

in the electrolysis of dilute h2so4 what is liberated at anode

In the electrolysis of dilute H2SO4, O2 is liberated at anode and H2 at cathode.... View Article

sn reacts with dil hno3

Reaction between metallic tin and concentrated nitric acid is given as follows: Sn + 4HNO3 → H2SnO3 + 4NO2 + H2O When metallic tin reacts with... View Article

An ideal gas mixture filled inside a balloon expands according to the relation expands according to the relation PV^(2//3)= constant. What will be the temperature inside the balloon

PV2/3 = constant ⇒ (nRT/V)(V2/3) = constantT.V−1/3 = constant ⇒ V∝T3.Temperature increases with increase in volume.... View Article

The correct order of increasing boiling of the following aqueous solutions 0.0001 M NaCl (I), 0.0001 M Urea (II), 0.001 M MgCl_(2) (III), 0.01 M NaCl (IV) is

0.0001 M NaCl (I), 0.0001 M Urea (II), 0.001 M MgCl_(2) (III), 0.01 M NaCl (IV) is Answer ΔT = i×kb×m i×m of (0.001 M) NaCl is... View Article

Boron has two istopes B^(10) & B^(11) whose relative abundances are 20% & 80% respectively avg.atomic weight of Boron is?

Average relative at Wr. A.W. = 20×10+80×11/100=200+880/100=1080/100=10.8g... View Article

M	T	W	T	F	S	S
					1	2
3	4	5	6	7	8	9
10	11	12	13	14	15	16
17	18	19	20	21	22	23
24	25	26	27	28	29	30
31

Archives

Species in which hyperconjugation does not occur is CH3CH2, (CH3)2CH^+, CH3CH=CH2, (CH3)3C−CH2+

Which platinum complex is used in cancer chemotherapy

Mg_(2)C_(3) reacts with water forming propyne. C_(3)^(4-) has

In which of the following species p pi – d pi bond is present but p pi – p pi bond is absent? SiH4, CS2, SO2, SO2Cl2

Tungsten is used in electric bulb because mcq

Two non-reactive monoatomic ideal gases have their atomic masses in the ratio (2 : 3). The ratio of their partial pressure, when enclosed in a vessel kept at a constant temperature, is (4 : 3). The ratio of their densities is :

S O bond length is max in socl2

Ester of formic acid and grignard reagent

in the electrolysis of dilute h2so4 what is liberated at anode

sn reacts with dil hno3

An ideal gas mixture filled inside a balloon expands according to the relation expands according to the relation PV^(2//3)= constant. What will be the temperature inside the balloon

the position of double bond in vinyl acetylene

the number of atoms in 4.25 g of nh3 is approximately:

the group number, number of valence electrons, and valency of an element with the atomic number 15, respectively, are:

If 20 g naoh and 36.5 g hcl are added with 360 g water; then weight of hcl present in the resulting mixture is

the equivalent weight of mnso4 is half of its molecular weight when it is converted to

How many electron in copper atom (._(29)Cu) have (n+l) = 4

in order to prepare 500 ml of 0.2 m naoh, the mass of naoh required is

The correct order of increasing boiling of the following aqueous solutions 0.0001 M NaCl (I), 0.0001 M Urea (II), 0.001 M MgCl_(2) (III), 0.01 M NaCl (IV) is

Boron has two istopes B^(10) & B^(11) whose relative abundances are 20% & 80% respectively avg.atomic weight of Boron is?

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