The spin only magnetic moment of [CrF₆]⁴⁻ (atomic number for Cr is 24) is
Options
(a) 0 (b) 1.73BM (c) 2.83BM (d) 4.9BM
Correct Answer:
4.9BM
Explanation:
No explanation available. Be the first […]
In an exothermic reaction(reversible) which of the following has positive value
Options
(a) Enthalphy (b) Entrophy (c) Gibb’s Free Energy (d) None of these
Correct Answer:
Gibb’s Free Energy
Explanation:
No explanation available. […]
Which of the following reacts with chloroform and a base to form phenylisocyanide
Options
(a) Benzene (b) Aniline (c) Nitrobenzene (d) Phenol
Correct Answer:
Aniline
Explanation:
No explanation available. Be the first to […]
Which colourless gas evolves, when NH₄ Cl reacts with zinc in a dry cell battery
Options
(a) NH₃ (b) N₂ (c) H₂ (d) Cl₂
Correct Answer:
H₂
Explanation:
No explanation available. Be the […]
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. […]
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