If pH of A,B,C and D are 9.5, 2.5,3.5 and 5.5 respectively, then strongest acid is
Options
(a) D (b) A (c) B (d) C
Correct Answer:
B
Explanation:
No explanation available. Be […]
How many mole of MNO₄⁻ ion will react with 1 mole of ferrous oxalate in acidic medium
Options
(a) 1/5 (b) 2/5 (c) 3/5 (d) 5/3
Correct Answer:
3/5
Explanation:
No explanation available. […]
The number of optical isomers formed by hydrogenation of the compound (CH₃)₂C=CHCH₃ are
Options
(a) 2 (b) 3 (c) 4 (d) zero
Correct Answer:
zero
Explanation:
No explanation available. Be the first to […]
The ionisation potential for hydrogen atom is 13.6eV, the ionization potential for He⁺ is
Options
(a) 54.4 eV (b) 6.8 eV (c) 13.6 eV (d) 24.5 eV
Correct Answer:
54.4 eV
Explanation:
No […]
On electrolysis of dilute H₂SO₄ using plantinum electrodes , the gas evolved at the anode is
Options
(a) O₂ (b) H₂ (c) SO₂ (d) SO₃
Correct Answer:
O₂
Explanation:
No explanation available. Be […]
A detergent has which of the following group attached to the terminal of a long carbon chain
Options
(a) COOH (b) COONa (c) SO₃Na (d) ONa
Correct Answer:
SO₃Na
Explanation:
No explanation available. […]
When aniline is treated with chloroform in the presence of alcoholic KOH, the product forms is
Options
(a) aniline (b) benzene (c) phenyl isocyanide (d) phenol
Correct Answer:
phenyl isocyanide
Explanation:
No explanation […]
Which of the following compounds possesses the C-H bond with the lowest bond dissociation energy?
Options
(a) Toluene (b) Benzene (c) n-Pentane (d) 2,2-Dimethylpropane
Correct Answer:
Toluene
Explanation:
Structure of Toluene:
Toluene (C₆H₅CH₃) […]
Ethanol and dimethyl ether have same empirical formula but ethanol has higher boiling point due to
Options
(a) ionic bond (b) acidic bond (c) hydrogen bond (d) covalent bont
Correct Answer:
hydrogen bond
If the rate of diffusion of CH₄ is twice of that of a gas X, then what is the molecular mass of the gas X
Options
(a) 32 (b) 96 (c) 80 (d) […]
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