Download App

Chemical Bonding and Molecular Structure — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistryChemical Bonding and Molecular Structure1 Mark
MCQ
Which of the following does not represent positive overlap?
  • A
     

    1. B
       

      1. C
         

        1. D
           

        ✓

        Answer

        1.  

        Explanation:

        Out of phase overlap occurs in,

        Thus, it shows negative overlap.

        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

        Explore more

        More "M.C.Q (1 Marks)" from Chemical Bonding and Molecular Structure→Chemical Bonding and Molecular Structure — all question types→Chemistry STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

        Similar questions

        The decreasing order of nucleophilicity among
        the following nucleophiles is :

        $(I)$ $CH_3COO^{\Theta}$          $(II)$ $CH_3O^{\Theta}$ 

        $(III)$ $CH_3CH_2^{\Theta}$        $(IV)$ $CH_3SO_3^{\Theta}$

        →
        When $1\,mole$ of $H_2$ and $1\,mole$ of $N_2$ is enclosed in $5\,L$ vessel and the reaction is  allowed to attain equilibrium, it is found that at equilibrium there is $x\,mole$ of $H_2$. The number of moles of $NH_3$ would be
        →
        In which of the following, the bond length between hybridized carbon atom and other carbon atom is minimum
        →
        The enthalpy change for the conversion of $\frac{1}{2} Cl _2$ (g) to $Cl ^{-}$(aq) is $(-).......$

        $kJ\,mol ^{-1}$ (Nearest integer)

        Given : $\Delta_{ dis } H _{ Cl _{2(g)}}^{\circ}=240\,kJ\,mol ^{-1}$.

        $\Delta_{ eg } H _{ Cl _{(g)}}^{\circ}=-350\,kJ\,mol ^{-1}$,

        $\Delta_{ hyd } H _{ Cl i _{( j )}^{\circ}}^{\circ}=-380\,kJ\,mol ^{-1}$

        →
        How many methyl groups are present in $2, 5-$dimethyl$-4-$ethylheptane
        →
        The $IUPAC$ name of  (figure) is
        →
        he electrons revolve around the nucleus only in certain fixed paths called:
        →
        Correct match is
        Column $I$ (Molecule/ion) Column $II$ (Hybridisation)
        $(A)$ $H_3O^+$ ion $(P)$ $sp$
        $(B)$ $NH_2^-$ ion $(Q)$ $sp^2$
        $(C)$ $NO_3^-$ ion $(R)$ $sp^3$
        $(D)$ $ClF_3$ $(S)$ $sp^3d$
        →
        Correct statement about $1, 3-$dibutene
        →
        Consider the following values of $IE(ev)$ for elements $W$ and $X$

        Element  $IE_1$ $IE_2$ $IE_3$ $IE_4$
        $W$ $10.5$ $15.5$ $24.9$ $79.8$
        $X$ $8$ $14.8$ $78.9$ $105.8$

        Other two elements $Y$ and $Z$ have outer electronic configuration $ns^2$ $np^4$ and $ns^2$ $np^5$ respectively. According to given information which of the following compound $(s)$ is/are not possible

        $(a)\, W_2Y_3\, (b)\, X_2Y_3\, (c)\, WZ_2\, (d)\, XZ_2$

        →