List of top Chemistry Questions on Group 17 Elements

निम्नलिखित विकल्पों में से, इलेक्ट्रॉन लब्धि एन्थैल्पी का सही क्रम है :
Which one of the following reactions does not occur?
Chlorine reacts separately with cold, dilute NaOH and hot, concentrated NaOH. Which of the following statements regarding these reactions is not correct?
Which halogen oxide is used in the estimation of carbon monoxide?
The elements with atomic numbers 9, 17, 35, 53 belong to the family of
What is the number of oxygen atoms bonded to chlorine in its strongest oxoacid?
Which of the following halogens does always show oxidation state -1 ?
Identify false statement from the following about fluorine.
Which of the following halogens does always show oxidation state -1 ?
Which of the following halogens does always show oxidation state -1 ?
Which of the following halogens has the highest electronegativity?
\(F_2\) is formed by reacting \(K_2MnF_6\) with:
Identify the pseudohalogen from the following ions :
Identify A, B, C, and D in the reactions (I), (II): \[ \text{(I)}\quad xCl_2+yNaOH \rightarrow A+B+H_2O(l) \] (cold, dil) \[ \text{(II)}\quad xCl_2+yNaOH \rightarrow C+D+H_2O(l) \] (hot, conc)
For the given reaction which halogen requires addition of oxidizing agent to get better yield?

The unstable halide of the following is
Identify the group number of the element X which has 1.44 % more neutrons than protons (Mass number of X is 127):
Assertion (A): HCl gas is dried by passing through concentrated \(H_2SO_4\).
Reason (R): HCl gas reacts with \(NH_3\) that gives white fumes.
The standard free energy change \((ΔG°)\) for \(50%\) dissociation of \(N_2O_4\) into \(NO_2\) at \(27°C\) and 1 atm pressure is \(x\ J mol^{–1}\). The value of \(x\) is _____. (Nearest Integer)
[Given : \(R = 8.31\ JK^{–1} mol^{–1}\), \(log\ 1.33 = 0.1239\), \(ln\ 10 = 2.3\)]
Which among the following compounds is NOT a colourless gas?
Which element from following combines with hydrogen to form compound having lowest acidic strength?
Which from following elements of halogen family is in liquid state at room temperature?
The correct order of bond dissociation enthalpy of halogens is :
Neon atom requires energy to remove one electron from its outermost orbit, so also to add one electron into the outermost orbit. Which of the following is correct about fluorine? I. Fluorine releases energy when an electron is removed.
II. Fluorine requires energy to add one electron.
Among the following, which species represents a pseudohalide?