Chemical Bonding And Molecular Structure

Question

Explain why BeH₂ molecule has a zero dipolemoment although the Be-H bonds are polar.

Solution

BeH₂ molecule has a linear shape (H–Be-H), therefore the two Be-H bond moments are equal and opposite and hence cancel out.

Some More Questions From Chemical Bonding and Molecular Structure Chapter

What is crystal lattice?

What is electrovalency?

What bond is present in MgCl₂ molecules?

Write Lewis dot symbols for atoms of the elements Mg, Na, B, O, N, Br.

Draw the Lewis structure for the ionic compound by aluminium and fluorine.

Two elements A and B have the electronic configuration as:
A = 1s²2s²2p⁶3s² and B = 1s²2s²2p⁵Write the empirical formula of the substance containing A and B.

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Chemical Bonding And Molecular Structure

Explain why BeH₂ molecule has a zero dipolemoment although the Be-H bonds are polar.

Some More Questions From Chemical Bonding and Molecular Structure Chapter

What is crystal lattice?

What is electrovalency?

What bond is present in MgCl₂ molecules?

Write Lewis dot symbols for atoms of the elements Mg, Na, B, O, N, Br.

Draw the Lewis structure for the ionic compound by aluminium and fluorine.

Two elements A and B have the electronic configuration as:
A = 1s²2s²2p⁶3s² and B = 1s²2s²2p⁵Write the empirical formula of the substance containing A and B.

What type of bonding would you expect between:
(i) a metal and a non-metal
(ii) a non-metal and another non-metal?

Give reasons in one or two sentences for the observation that in their compounds non-metals form anions and not cations.

Out of Na and K, which will form a more stable ionic bond?

Which will have a greater lattice enthalpy: NaCl or MgO?

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NCERT Sample Papers

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Chemical Bonding And Molecular Structure

Explain why BeH2 molecule has a zero dipolemoment although the Be-H bonds are polar.

Some More Questions From Chemical Bonding and Molecular Structure Chapter

What is crystal lattice?

What is electrovalency?

What bond is present in MgCl2 molecules?

Write Lewis dot symbols for atoms of the elements Mg, Na, B, O, N, Br.

Draw the Lewis structure for the ionic compound by aluminium and fluorine.

Two elements A and B have the electronic configuration as:A = 1s22s22p63s2 and B = 1s22s22p5Write the empirical formula of the substance containing A and B.

What type of bonding would you expect between:(i) a metal and a non-metal(ii) a non-metal and another non-metal?

Give reasons in one or two sentences for the observation that in their compounds non-metals form anions and not cations.

Out of Na and K, which will form a more stable ionic bond?

Which will have a greater lattice enthalpy: NaCl or MgO?

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

Explain why BeH₂ molecule has a zero dipolemoment although the Be-H bonds are polar.

What bond is present in MgCl₂ molecules?

Two elements A and B have the electronic configuration as:
A = 1s²2s²2p⁶3s² and B = 1s²2s²2p⁵Write the empirical formula of the substance containing A and B.

What type of bonding would you expect between:
(i) a metal and a non-metal
(ii) a non-metal and another non-metal?