MCQ
The least number of oxyacids are formed by
- AChlorine
- BNitrogen
- ✓Fluorine
- DSulphur
✓
Answer
Correct option: C.
Fluorine
c
boiling point order is $C$ because of higher van der waals' forces of attraction in $HI$ and increase of atomic size.
boiling point order is $C$ because of higher van der waals' forces of attraction in $HI$ and increase of atomic size.
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 among the following compounds will undergo fastest $\mathrm{S}_{\mathrm{N}} 2$ reaction.
→Arrange the following in order of $C-Br$ bond strength in polar solvent.
→Triple degenerate $d-$ orbitals are exactly half-filled in
→Which element is alloyed with copper to form bronze
Which of the following aqueous molal solution have highest freezing point,
In a gaseous reaction
→${A_{2\left( g \right)}} \longrightarrow {B_{\left( g \right)}} + \frac{1}{2}\,{C_{\left( g \right)}}$ the increase in pressure from $100\, mm$ to $120\, mm$ is noticed in $5\,\min$. The rate of dissappearence of $A_2$ in $mm\, min^{-1}$ is
Which of the following complex compounds will exhibit highest paramagnetic behaviour
→(At. No. $Ti = 22, Cr = 24, Co = 27, Zn = 30$ )
Product $(C)$ of this reaction is
→Which one of the following compounds is found abundantly in nature
The unbalanced chemical reactions given in List $I$ show missing reagent or condition $(?)$ which are provided in List $II$. Match List $I$ with List $II$ and select the correct answer using the code given below the lists :
→| List $I$ | List $II$ |
| $P.$ $PbO _2+ H _2 SO _4 \xrightarrow{?} PbSO _4+ O _2+$ other product | $1.$ NO |
| $Q.$ $Na _2 S _2 O _3+ H _2 O \xrightarrow{?} NaHSO _4+$ other product | $2.$ $I_2$ |
| $R.$ $N _2 H _4 \xrightarrow{\text { ? }} N _2+$ other product | $3.$ Warm |
| $S.$ $XeF _2 \xrightarrow{?} Xe +$ other product | $4.$ $Cl _2$ |
Codes: $ \quad P \quad Q \quad R \quad S $