MCQ
The most predominantly ionic compounds will be obtained from the combination of elements belonging to
- ✓$1$ and $7$ groups
- B$2$ and $6$ groups
- C$3$ and $5$ groups
- D$0$ and $7$ groups
✓
Answer
Correct option: A.
$1$ and $7$ groups
a
$(a)$ Ionic bond is formed when there is large difference of electro-negativities between the atoms.
$(a)$ Ionic bond is formed when there is large difference of electro-negativities between the atoms.
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
$s{p^3}$ hybridisation is found in
→The enthalpy of formation of ammonia is $-46.0\, kJ\, mol^{-1}$. The enthalpy change for the reaction $2NH_3 (g) \longrightarrow 2N_2(g) + 3H_2 (g$) is.....$kJ\, mol^{-1}$
→A sample of gasoline contains $81\%$ iso-octane and $19\%$ $n-$ heptane. Its octane number will be
→Consider given endothermic reaction at equilibrium, $PCl_5(g) \rightleftharpoons PCl_3(g) + Cl_2(g) $
→A graph is plotted between concentration and time as shown. Effect$-1$ & Effect$-2$ are due to respectively
In the formal charge on the oxygen atom of P–O bond is:
Determine enthalpy of formation for $H_2O_2(\ell ),$ using listed enthalpies of reaction
→${N_2}{H_4}(l)\,+\,2{H_2}{O_2}(l)\,\, \to \,{N_2}(g)\,\, + \,4{H_2}O(l);\,\,{\Delta _r}H_1^o\, = \, - 818\,\,kJ/mol$
${N_2}{H_4}(l)\,\, + {O_2}(g)\,\, \to \,{N_2}(g)\,\, + \,2{H_2}O(l);\,\,{\Delta _r}H_2^o\, = \, - 622\,\,kJ/mol$
${H_2}(g)\,\, + 1/2{O_2}(g)\,\, \to \,{H_2}O(l);\,\,{\Delta _r}H_3^o\, = \, - 285\,\,kJ/mol$
......$kJ/mol$
What is the mass of the precipitate formed when $50\ mL$ of $16.9\%$ solution of $AgNO_3$ is mixed with $50\ mL$ of $5.8\%$ $NaCl$ solution $?$ ............. $\mathrm{g}$ $(Ag = 107.8, N = 14, O = 16, Na = 23,Cl = 35.5)$
→Colourless gas that has oxidising as well as reducing properties
Which of the set of species have same hybridisation state but different shapes
The olefin which on ozonolysis gives $C{H_3}C{H_2}CHO$ and $C{H_3}CHO$ is
→