MCQ
Heavy water freezes at ......... $^oC$.
- A$0$
- ✓$3.8$
- C$38$
- D$ - 0.38$
✓
Answer
Correct option: B.
$3.8$
b
It’s Obvious.
It’s Obvious.
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
Consider the data given below for hypothetical reaction $A \to X$
→$Time (sec)$ Rate $(mol\, L^{-1} sec.^{-1})$
$0$ $1.60 \times 10^{-2}$
$10$ $1.60 \times 10^{-2}$
$20$ $1.60 \times 10^{-2}$
$30$ $1.60 \times 10^{-2}$
From the above data, the order of reaction is
The number of all the possible stereoisomers formed by the given compound is
Assertion : Vitamin $D$ cannot be stored in our body
Reason : Vitamin $D$ is fat soluble vitamin and is excreted from the body in urine.
→Reason : Vitamin $D$ is fat soluble vitamin and is excreted from the body in urine.
Which of the following compounds will form significant amount of meta product during mono-nitration reaction ?
What is relation between following molecules
Among the following which one does not act as an intermediate in Hofmann rearrangement
Electrode potentials $(E^o)$ are given below
→$Cu^+ /Cu = + 0.52\, V$,
$Fe^{3+} /Fe^{2+} = +0.7 7\, V$,
$\frac{1}{2}{I_2}\left( s \right)/{I^ - }\, = + 0.54\,V,$
$Ag^+ /Ag = + 0.88\,V$.
Based on the above potentials, strongest oxidizing agent will be
Pair of ions which gives blue colour in aqueous state :
→$V^{+4},\,Ni^{+2},\, Ti^{+3}, \,Co^{+2}, \,Fe^{+3}, \,Cu^{+2}$
Enthalpy of combustion of $CH_4, C_2H_6$ and $C_3H_8$ are $-210.8, -368.4$ and $-526.2\, k\, cal\, mol^{-1}$ respectively. Enthalpy of combustion of hexane can be predicted as........$k\, cal\, mol^{-1}$
→Which of following is maximum stable among given ions