Question
Which of the following is most electronegative

Answer

a
(a) Electronegativity decreases down the group.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Suppose the elements $X$ and $Y$ combine to form two compounds $XY_2$ and $X_3Y_2.$ When $0.1$ mole of $XY_2$ weighs $10\ g$ and $0.05$ mole of $X_3Y_2$ weighs $9\ g,$ the atomic weights of $X$ and $Y$ are
The number of $S=O$ and $S-OH$ bonds present in peroxodisulphuric acid and pyrosulphuric acid respectively are
Which of the following can show optical activity
Which of the following contains the highest percentage of protein
Examine the following statements pertaining to an ${S_{{N^2}}}$ reaction

(1)The rate of reaction is independent of the concentration of the nucleophile

(2)The nucleophile attacks the ${C^ - }$ atom on the side of the molecule opposite to the group being displaced

(3)The reaction proceeds with simultaneous bond formation and bond rupture/ cleavage

Amongst the following which of the above were true

What must be the concentration of $Ag^+$ in an aqueous solution containing $Cu^{2+} = 1.0\ M$ so that both the metal can be deposited on the cathode simultaneously. Given that $E_{cu/c{u^{2 + }}}^0 =  - 0.34\,V\,$ and $E_{A{g^ + }/Ag}^0 = 0.812\,V,$, $T = 298\,K$
Heating of $2-$ chloro $-1-$ phenylbutane with $EtOK/EtOH$ gives $X$ as the major product. Reaction of $X$ with $Hg(OAc)_2/H_2O$ followed by $NaBH_4$ gives $Y$ as the major product. $Y$ is
Which of the following is true for Williamson's synthesis?
Blood haemoglobin contains the metal
From the ground state electronic configuration of the elements given below, pick up the one with highest value of second ionisation energy.