The plot that depicts the behavior of the mean free time
The plot that depicts the behavior of the mean free time (time between two successive collisions) for the molecules of... View Article
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Find the co-ordinates of center of mass of the lamina shown in the figure below
Find the co-ordinates of center of mass of the lamina shown in the figure below. a. (0.75 m, 1.75 m)... View Article
A thermodynamic cycle xyzx is shown on a V- T diagram
A thermodynamic cycle xyzx is shown on a V- T diagram . The P-V diagram that best describes this cycle... View Article
Three charged particles A, B and, C with charge -4q, +2q and -2q are present on the circumference of a circle of radius .
Three charged particles A, B and, C with charge -4q, +2q and -2q are present on the circumference of a... View Article
One of the by-products formed during the recovery of NH3 from Solvay process is
a. NaHCO3 b. Ca(OH)2 c. CaCl2 d. NH4Cl Answer: (c) Recovery of NH3 2NH4Cl + Ca(OH)2 → CaCl2 + 2NH3... View Article
Nitrogen can be estimated by Kjeldahl’s method for which of the following compound?
Answer: (d) If the nitrogen atom is a part of the ring or in the form of the diazonium or... View Article
The set that represents the pair of neutral oxides of nitrogen is
a. NO and N2O b. NO and NO2 c. N2O and NO2 d. N2O and N2O3 Answer: (a) NO and... View Article
Match List-I with List-II.
Match List-I with List-II List-I List-II (a) Haematite (i) Al2O3. xH2O (b) Bauxite (ii) Fe2O3 (c) Magnetite (iii) CuCO3. Cu(OH)2... View Article
Primary, secondary and tertiary amines can be separated using
a. Para-Toluene sulphonyl chloride b. Chloroform and KOH c. Acetyl amide d. Benzene sulphonic acid Solution: Hence option a is... View Article
Which of the following statement(s) is (are) the incorrect reason for eutrophication?
(A) excess usage of fertilisers (B) excess usage of detergents (C) dense plant population in water bodies (D) lack of... View Article
Fructose is an example of
a. Heptose b. Aldohexose c. Pyranose d. Ketohexose Answer: (d) Fructose is an example of Ketohexose.
In the below reaction, the structural formula of (A)
In the below reaction, the structural formula of (A), “X” and “Y” respectively are: Answer: (b)
Choose the correct statement regarding the formation of carbocations A and B given.
a. Carbocation A is more stable and formed relatively at a faster rate b. Carbocation B is more stable and... View Article
The functional groups that are responsible for the ion-exchange property of cation and anion exchange resins, respectively, are
a. –SO3H and –COOH b. –SO3H and –NH2 c. –NH2 and –SO3H d. –NH2 and –COOH Answer: (b) –SO3H and... View Article
For the coagulation of a negative sol, the species below, that has the highest flocculating power is
a. SO2-4 b. Na+ c. Ba2+ d. PO34 Answer: (c) For a negative sol, a positive ion is required for... View Article
Amongst the following, the linear species is
a. N–3 b. Cl2O c. O3 d. NO2 Answer: (a) (a) \(\begin{array}{l}\bar{N} = \overset{+}{N} = \bar{N}\end{array} \) sp (linear)
Given below are two statements
Given below are two statements: Statement I: 2-methyl butane on oxidation with KMnO4 gives 2-methyl butane-2-ol. Statement II: n-alkanes can... View Article
The set of elements that differ in a mutual relationship from those of the other sets is
a. Be – Al b. Li – Na c. B – Si d. Li – Mg Answer: (b) Li and... View Article
The common positive oxidation states for an element with atomic number 24, are
a. +1 and +3 b. +1 to +6 c. +1 and +3 to +6 d. +2 to +6 Solution: For... View Article
Match List-I with List-II.
Match List-I with List-II: List – I List – II (a) [Co(NH3)6] [Cr(CN)6] (i) Linkage isomerism (b) [Co(NH3)3 (NO2)3] (ii)... View Article
