Multiple choice question

iz'u&24 lg&la;kstd ,oa mi lg&la;kstd ;kSfxdks esa dksbZ pkj vUrj crykb;s\
Give any four differences among co–valent and co–ordinate compounds.
iz'u&25 fuEu dks dkj.k lfgr le>kb;sA
1- ty dk DoFkukad vYdksgy ds DoFkukad ls vf/kd D;ksa gS\
2- flXek (σ) rFkk ikbZ (π) cU/k dc vkSj fdl izdkj curs gSa\
3- ,dkdh bySDVªkWu ;qXe fdUgs dgrs gSaA
Explain the following with reasons–
1. Why boiling point of water is greater than alcohols?
2. When and how σ and π bonds are formed?
3. What is loan pair of electrons?
iz'u&26 vkca/kh ,oa foijhr cU/kh vk.kfod d{kdksa esa dksbZ 5 varj fy[kks\
Give any five differences between bonding and antibonding molecular orbitals.
iz'u&27 la;kstdrk cU/k fl)kUr ,oa v.kq d{kd fl)kUr esa vUrj Li"V dhft;s\
Differentiate between valency bond theory and molecular orbital theory?
iz'u&28 BeCl rFkk BF ds ladj.k dks fp= dh lgk;rk ls Li"V djrs gq, buds e/;
2 3
fufeZr dks.kksa ds eku n'kkZn;sA
Explaining the hybridization in BeCl 2 and BF 3 through diagram and give value
of angles formed in their structures?
iz'u&29 N 2 rFkk vkWDlhtu (O 2 ) ds v.kq d{kd vkjs[k fp= n'kkZb;sA
Give molecular orbital diagrams for N 2 and O 2
iz'u&30 gkbMªkstu cU/k D;k gS\ blds izdkjksa dks mnkgj.kksa dh lgk;rk ls Li"V
dhft;s\
What is hydrogen bond. Give its types and explain with the help of suitable
examples.
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