MCQ
Carbon is in lowest oxidation state in :
- A$\text{HCOOH}$
- ✓$\text{HCHO}$
- C$\text{CF}_4$
- D$\text{CO}_2$
✓
Answer
Correct option: B.
$\text{HCHO}$
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
Which of following is correct ?
A half cell reaction is one which:
$2-$ Butyne react with $Na$ in liquid Ammonia to form
→Which of the following imparts violet colouration to the Bunsen burner non-luminous flame?
Nitration of benzene by nitric acid and sulphuric acid is
Naphthalene is a/an
At $363K,$ pure water has$[\mathrm{H}_2 \mathrm{O}^{+}]=10^{-6} \mathrm{M}$. The value of $\mathrm{K}_{\mathrm{w}}$ at this temperature will be :
→The decreasing order of reactivity of given compound towards nucleophilic substitution with aqueous $NaOH$ is
→The halogen that most easily reduced is
Heat of neutralisation of a strong acid by a strong base is a constant value because