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Which of the following explain the property of metallic lustre?

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Important Questions on Chemical Bonding and Structure

EASY
Chemistry>Inorganic Chemistry>Chemical Bonding and Structure>Metallic Bonding
Which of the following molecule does not obey octet rule?
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Chemistry>Inorganic Chemistry>Chemical Bonding and Structure>Metallic Bonding
What is a polar molecule? Give an example.
HARD
Chemistry>Inorganic Chemistry>Chemical Bonding and Structure>Metallic Bonding

Statement-1: POF3 exist but NOF3 does not exist.

Statement-2: ′P′ cannot form five bond by expanding its octet while ‘N’ can expand its octet to form five bonds.

 

MEDIUM
Chemistry>Inorganic Chemistry>Chemical Bonding and Structure>Metallic Bonding
The element which forms ions in dimeric state is
EASY
Chemistry>Inorganic Chemistry>Chemical Bonding and Structure>Metallic Bonding
Malleability and ductility of metals can be accounted due to
HARD
Chemistry>Inorganic Chemistry>Chemical Bonding and Structure>Metallic Bonding
Compound used in petro industry is
EASY
Chemistry>Inorganic Chemistry>Chemical Bonding and Structure>Metallic Bonding
Valence bond theory of metallic bond was given by
MEDIUM
Chemistry>Inorganic Chemistry>Chemical Bonding and Structure>Metallic Bonding
The solution of one of the following compounds will not conduct electricity. This compound is :
MEDIUM
Chemistry>Inorganic Chemistry>Chemical Bonding and Structure>Metallic Bonding
Which one of the following has strongest metallic bonding?
EASY
Chemistry>Inorganic Chemistry>Chemical Bonding and Structure>Metallic Bonding
If K= thermal conductivity, the value of thermal resistivity
MEDIUM
Chemistry>Inorganic Chemistry>Chemical Bonding and Structure>Metallic Bonding
Two litres of water (density = 1 g mL-1) in an open lid insulated kettle is heated by an electric heater of power 1 kW. The heat is lost from the lid at the rate of 160 J s-1. The time taken for heating water (Specific heat capacity 4.2 kJ K-1 kg-1) from 20oC to 75oC is
EASY
Chemistry>Inorganic Chemistry>Chemical Bonding and Structure>Metallic Bonding
Name the non-metal which helps in conduction of heat.
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Chemistry>Inorganic Chemistry>Chemical Bonding and Structure>Metallic Bonding
Find the odd one out:
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Chemistry>Inorganic Chemistry>Chemical Bonding and Structure>Metallic Bonding
Two rods of equal lengths and areas of cross-section are kept parallel and hanged between temperatures 20℃ and 80℃. The ratio of the effective thermal conductivity to that of the first rod is (the ratio=K1K2 =34 )
EASY
Chemistry>Inorganic Chemistry>Chemical Bonding and Structure>Metallic Bonding
Among KO2 , AlO2-, BaO2 and NO2+, unpaired electron is present in
MEDIUM
Chemistry>Inorganic Chemistry>Chemical Bonding and Structure>Metallic Bonding
Which of the following does not apply to metallic bond?
EASY
Chemistry>Inorganic Chemistry>Chemical Bonding and Structure>Metallic Bonding
In case of an ideal insulator, the thermal conductivity K is
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Chemistry>Inorganic Chemistry>Chemical Bonding and Structure>Metallic Bonding
Which of the following account for the malleability and ductility of metals?
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Chemistry>Inorganic Chemistry>Chemical Bonding and Structure>Metallic Bonding
Cotyledons are also called-
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Chemistry>Inorganic Chemistry>Chemical Bonding and Structure>Metallic Bonding
The conductivity of the metal decreases with increases in temperature because