A carbonyl compound reacts with hydrogen cyanide to form cyanohydrins, which form a racemic mixture of α-hydroxy acid on hydrolysis. The carbonyl compound is:
1. Acetaldehyde
2. Acetone
3. Diethyl ketone
4. Formaldehyde
Which one of the following is a peptide hormone?
1. Glucagon
2. Testosterone
3. Thyroxin
4. Adernaline
CH3 — O — CH(CH3)2 + HI → B (Product)
The product 'B' in the above mentioned reaction is-
1. CH3OH + (CH3)2CHl
2. lCH2OCH(CH3)2
3. CH3OC(CH3)2
4. CH3l + (CH3)2CHOH
The nucleophilic addition reaction will be most favored among the given compounds is:
1.
2.
3.
4.
The enthalpy of combustion of H2, cyclohexene (C6H10) and cyclohexane (C6H12) are -241, -3800 and -3920 kJ per mol respectively. Heat of hydrogenation of cyclohexene is:
1. -121 kJ per mol
2. +121 kJ per mol
3. +242 kJ per mol
4. -242 kJ per mol
The self-condensation product of two moles of ethyl acetate in the presence of sodium ethoxide yield is:
1. Ethyl butyrate
2. Acetoacetic ester
3. Methyl acetoacetate
4. Ethyl propionate
Consider the reaction
N2(g) + 3H2(g) → 2NH3(g)
The equality relationship between \( \frac{{d}\left[{{NH}_{3}}\right]}{dt}\) and \( {-}\frac{{d}\left[{{H}_{2}}\right]}{dt}\) is :
1.
2.
3.
4.
Which of the following is not chiral?
1. 2-butanol
2. 2,3-dibromopentane
3. 3-bromopentane
4. 2-hydroxypropanoic acid
[Co(NH3)4(NO2)2]Cl exhibits:
| 1. | linkage isomerism, ionization isomerism, and optical isomerism |
| 2. | linkage isomerism, ionization isomerism, and geometrical isomerism |
| 3. | ionization isomerism, geometrical isomerism, and optical isomerism |
| 4. | linkage isomerism, geometrical isomerism, and optical isomerism |
[Cr(H2O)6]Cl3 (At. No. of Cr = 24) has a magnetic moment of 3.83 BM.
The correct distribution of 3d electrons in the chromium of the complex is:
1.
2.
3.
4.
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