MCQ
.
- A
- ✓
- C
- D
✓
Answer
Correct option: B.
b
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
A solution contains $25\%$ ${H_2}O$ , $25\% {C_2}{H_5}OH$ and $50\%$ $C{H_3}\,COOH$ by mass. The mole fraction of ${H_2}O$ would be
→Oxidation state of $+ 1$ for phosphorus is found in
→With cold and dilute sodium hydroxide fluorine reacts to give
Among the following statements, the correct statement about the half-life period for a first order reaction is
Which one of the following compound does not decolourise an acidified aqueous solution of $KMnO_4$
→The e.m.f. of the cell in which the following reaction
→$Zn(s) + N{i^{2 + }}(a = 1.0)$ $\rightleftharpoons$ $Z{n^{2 + }}(a = 10) + Ni(s)$ occurs, is found to be $0.5105\,V$ at $298\,K$. The standard e.m.f. of the cell is ............ $\mathrm{V}$
............... grams of $3 -$Hydroxy propanal $(MW=74)$ must be dehydrated to produce $7.8 \,g$ of acrolein $( MW =56)\left( C _{3} H _{4} O \right)$ if the percentage yield is $64.$ (Round off to the Nearest Integer).
→[Given : Atomic masses : $C : 12.0 u$,$H : 1.0 u , O : 16.0 u ]$
The freezing point of diluted milk sample is found to be $-\,0.2\,^oC,$ while it should have been $\,0.5\,^oC,$ for pure milk. How much water been added to pure milk to make the diluted sample?
→Generally transition elements and their salts are coloured due to the presence of unpaired electrons in metal ions. Which of the following compounds are coloured?
Which of the following compounds will give butanone on oxidation with alkaline KMnO4 solution?