The number of unpaired electrons in 1s² 2s² 2p³ is
The number of unpaired electrons in 1s² 2s² 2p³ is
Options
(a) 3 (b) 1 (c) 5 (d) 2
Correct Answer:
3
Explanation:
1s² 2s² 2p³ ⇒ [1s² 2s² 2p¹(x) 2p¹(y) 2p¹(z)] / unpaired […]
Questions
Who modified Bohr’s theory by introducing elliptical orbits for electron path
Who modified Bohr’s theory by introducing elliptical orbits for electron path
Options
(a) Rutherford (b) Thomson (c) Hund (d) Sommerfeld
Correct Answer:
Sommerfeld
Explanation:
Sommerfeld modified Bohr’s theory considering that in addition to […]
Average molar kinetic energy of CO and N₂ at same temperature is
Average molar kinetic energy of CO and N₂ at same temperature is
Options
(a) KE₁ = KE₂ (b) KE₁ > KE₂ (c) KE₁ < KE₂ (d) can’t say anything. Both volumes are not […]
A gas can be liquefied
A gas can be liquefied
Options
(a) above its critical temperature (b) at its critical temperature (c) below its critical temperature (d) at any temperature
Correct Answer:
below its critical temperature
Explanation: […]
Which of the following brings down fever
Which of the following brings down fever
Options
(a) Analgesic (b) Antipyretic (c) Tranquilizer (d) Antibiotic
Correct Answer:
Antipyretic
Explanation:
No explanation available. Be the first to write the explanation for this question […]
N-terminal amino acids are identified by using
N-terminal amino acids are identified by using
Options
(a) dehydrazinolysis (b) 2,4-DNP (c) Etard’s reaction (d) Wolff Kishner reduction
Correct Answer:
2,4-DNP
Explanation:
No explanation available. Be the first to write the […]
Phospholipids are esters of glycerol with
Phospholipids are esters of glycerol with
Options
(a) three carboxylic acid residues (b) two carboxylic acid residues and one phosphate group (c) one carboxylic acid residue and two phosphate group (d) three phosphate […]
Hofmann bromamide reaction is used to prepare
Hofmann bromamide reaction is used to prepare
Options
(a) primary amine (b) secondary amine (c) tertiary amine (d) all the above
Correct Answer:
primary amine
Explanation:
No explanation available. Be the first to […]
Reaction of nitrous acid with aliphatic primary amine will give
Reaction of nitrous acid with aliphatic primary amine will give
Options
(a) dye (b) alcohol (c) nitrite (d) diazonium salt
Correct Answer:
alcohol
Explanation:
No explanation available. Be the first to write the […]
Reduction by LiAlH₄ of hydrolysed product of an ester gives
Reduction by LiAlH₄ of hydrolysed product of an ester gives
Options
(a) two alcohols (b) two aldehyde (c) one acid and one alcohol (d) two acids
Correct Answer:
two alcohols
Explanation:
No explanation […]