Question
Incorrect statements among the following is/are
✓
Answer
c
In a period the value of ionisation potential increases from left to right with breaks where the atoms have some what stable configuration. In this case $N$ has half filled stable orbital. Hence has highest ionisation energy. Thus the correct order is $B < C < O < N$ not $B < C < N < O$
In a period the value of ionisation potential increases from left to right with breaks where the atoms have some what stable configuration. In this case $N$ has half filled stable orbital. Hence has highest ionisation energy. Thus the correct order is $B < C < O < N$ not $B < C < N < O$
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In $K _2 Cr _2 O _7$ titration, using the indicator diphenylamine, an intense blue color is obtained just after the equivalence point. In this process, $Cr _2 O _7^{2-}$ oxidizes the indicator and itself undergoes reduction. How many electrons are needed when the following half-reaction is balanced?
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Which represents nucleophilic aromatic substitution reaction
In the following reaction $C{r_2}O_7^ - + 14{H^ + } + 6{I^ - } \to \,$$2C{r^{3 + }} + 3{H_2}O + 3{I_2}$ Which element is reduced
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Vanadium $(III) $ oxide is a strong
→Match List $I$ with List $II$ with correct code
→| List $I$ | List $II$ |
| $1E_1\,\,1E_2\,\,1E_3$ | |
| $(A)$ $1510$ $-$ $-$ | $(1)$ $H$ |
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The compound $X$ in the reaction.
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