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Bond energy or Bond enth..



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Q1. Which of the following molecules may have a dipole movement?

(a) N2
(b) CH4
(c) BeF2
(d) H2O

Q2. Resonance does stabilize the molecule.

(a) False
(b) True
(c) Both acidolysis and aldehyde
(d) None of the mentioned

Q3. All the __________ species(molecules and ions) have the same bond order.

(a) isotopic
(b) isoelectronic
(c) isobaric
(d) isoneutronic

Q4. What is the bond order of CO?

(a) 3
(b) 2
(c) 1
(d) 4

Q5. The bond enthalpy of H2O and OH are 502 KJ mol-1 and 427 KKJ mol-1. Then what is the average bond enthalpy?

(a) 502 KJ mol-1
(b) 464.5 KJ mol-1
(c) 427 KJ mol-1
(d) 75 KJ mol-1

Q6. Strength of the bond between the two atoms can be known from bond dissociation enthalpy.

(a) True
(b) False
(c) Both acidolysis and aldehyde
(d) None of the mentioned

Q7. The bond angle between the hydrogen atoms is _________

(a) 104.5?
(b) 104?
(c) 105.4?
(d) 105?

Q8. What are the units of measuring the bond angle?

(a) meters
(b) kilograms
(c) degree
(d) mole

Q9. The covalent radius in a chlorine molecule and van der Waal?s radius between chlorine molecules respectively can be ________ & _________

(a) 99pm, 198pm
(b) 198pm, 99pm
(c) 198pm, 198pm
(d) 99pm, 99m

Q10. Which of the following cannot be used to measure bond lengths?

(a) Spectroscopy
(b) X-ray diffraction
(c) Electron diffraction
(d) Young?s Double-slit method


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A Well Stoppered Thermos Flask Contains Some Ice Cubes. This Is An Example Of A

Modified 243 Year Ago Bhavna

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243 Year Ago

A Well Stoppered Thermos Flask Contains Some Ice Cubes. This Is An Example Of A

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Three Moles Of An Ideal Gas Expanded Spontaneously Into Vacuum. The Work Done Will Be

Modified 11 Year Ago

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Three Moles Of An Ideal Gas Expanded Spontaneously Into Vacuum. The Work Done Will Be

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In Order To Decompose 9 G Water 142.5 KJ Heat Is Required. Hence, The Enthalpy Of Formation Of Water Is

Modified 11 Year Ago

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11 Year Ago

In Order To Decompose 9 G Water 142.5 KJ Heat Is Required. Hence, The Enthalpy Of Formation Of Water Is

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353 views

Changes In A System From An Initial State To The Final State Were Made By A Different Manner That ΔH Remains Same But Q Changes Because

Modified 243 Year Ago

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243 Year Ago

Changes In A System From An Initial State To The Final State Were Made By A Different Manner That ΔH Remains Same But Q Changes Because

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If W Is The Amount Of Work Done By The System And Q Is The Amount Of Heat Supplied To The System. Identify The Type Of The System

Modified 243 Year Ago

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243 Year Ago

If W Is The Amount Of Work Done By The System And Q Is The Amount Of Heat Supplied To The System. Identify The Type Of The System

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0 Answer
337 views

The Entropy Change Involved In The Isothermal Reversible

Modified 320 Year Ago

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The Entropy Change Involved In The Isothermal Reversible

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Calculate The Amount Of Heat Evolved When 500 Cm^3 Of 0.1 M HCl Is Mixed With 200 Cm^3 Of 0.2 M NaOH.

Modified 11 Year Ago Bhuv

305
Bhuv
11 Year Ago

Calculate The Amount Of Heat Evolved When 500 Cm^3 Of 0.1 M HCl Is Mixed With 200 Cm^3 Of 0.2 M NaOH.

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