Q. A rigid lattice with more open arrangement of molecules is found in

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Q. Reactions are started by attacking on electrically charged end of polar molecule by

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Q. When the pair of electrons (e⁻) is equally shared due to same electronegativity between atoms, the covalent bond is

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Q. A needle float on water, upon adding detergent to water needle will

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Q. The order of electronegativity in Br₂, Cl₂, N₂, O₂, F₂ is

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Q. If one end of a molecule attains more negative charge for a short moment a temporary set up is formed called

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Q. Due to extensive hydrogen bonding, water has higher

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Q. Molecules which have permanent dipole are known as

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Q. At room temperature, Butane (C₄H₁₀) is

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Q. Solids are mostly denser than

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Q. In ethane C₂H₄, the C-C form a

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Q. A single π-bond can be drawn as a

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Q. A sigma bond (σ-bond) is formed when

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Q. In ethane, C₂H₄

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Q. Two clouds of electrons in a π-bond represent

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Q. In C₂H₆, all the bonds are

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Q. In Ethane C₂H₄, the repulsive forces are minimized at

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Q. Ethane C₂H₆,belongs to

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Q. In ethane C₂H₄, hydrogen forms

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Q. To form sigma bonds in C₂H₄ (Ethane), each carbon (C) atom uses

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