MCQ
Which of the following gives iodoform test ?
- ✓$CH_3CH_2OH$
- B$C_2H_5CHO$
- C$(CH_2OH)_2$
- DNone of these
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$(i)$ Increase in concentration of reactant increases the rate of a zero order reaction
$(ii)$ Rate constant $k$ is equal to $'A'$ if $E_a = 0$
$(iii)$ Rate constant $k$ is equal to $'A'$ if $E_a = \infty$
$(iv)$ $log_e k$ vs $T$ is a straight line
$(v)$ $log_ek$ vs $1/T$ is straight line
Correct statement are


| 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 $