Description : Which of the following statements about ethene, C2H4, is incorrect? (a) The H–C–H bond angles are approximately 109.5°. (b) There is a total of five sigma bonds. (c) The carbon atoms are sp2 hybridized. (d) The H–C–H bond angles are approximately 120°.
Last Answer : The H–C–H bond angles are approximately 109.5°.
Description : Pick up the incorrect statement from the following: Tensile reinforcement bars of a rectangular beam (A) Are curtailed if not required to resist the bending moment (B) Are bent up at suitable ... to serve as shear reinforcement (D) Are maintained at bottom to provide at least local bond stress
Last Answer : Answer: Option C
Description : Pick up the incorrect statement from the following: (A) In Flemish bond, headers and stretchers are laid alternately in the same course (B) In Flemish bond every header in each course lies ... laid in every course (D) In English bond, headers and stretchers are laid in alternate courses
Description : Pick up the incorrect statement from the following: The torsional resistance of a shaft is directly proportional to (A) Modulus of rigidity (B) Angle of twist (C) Reciprocal of the length of the shaft (D) Moment of inertia of the shaft section
Last Answer : (D) Moment of inertia of the shaft section
Description : Select the incorrect statement. Effective angle of shearing resistance (A) Increases as the size of particles increases (B) Increases as the soil gradation improves (C) Is limited to a maximum value of 45° (D) Is rarely more than 30° for fine grained soil
Last Answer : (C) Is limited to a maximum value of 45°
Description : Select the incorrect statement. (A) Effective cohesion of a soil can never have a negative value. (B) Effective angle of internal friction for coarse grained soils is rarely below 30°. (C ... (D) Effective angle of internal friction is a complicated function of mineralogy and clay size content.
Last Answer : Answer: Option A
Description : Select the INCORRECT statement concerning the muscular system. a) Bones contact other bones at joints. b) Flexors decrease the angle of a joint. c) Adductors move a limb away from the midline. d) Tendons attach muscle to bone.
Last Answer : ANSWER: C -- ADDUCTORS MOVE A LIMB AWAY FROM THE MIDLINE.
Description : Two hybrid orbitals have a bond angle of `120^(@)`. The percentage of p character in the hybrid orbital is nearly :-
Last Answer : Two hybrid orbitals have a bond angle of `120^(@)`. The percentage of p character in the hybrid orbital is nearly ... 25%` B. `33%` C. `50%` D. `66%`
Description : Assertion: Bond angle at oxygen in ethehers is greater than ideal tetrahedral angle Reason: Stearic hindrance between alkyl groups increase bond angle
Last Answer : Assertion: Bond angle at oxygen in ethehers is greater than ideal tetrahedral angle Reason: Stearic ... D. Assertion is false, Reason is true
Description : The bond angle and hybridisation in ether `(CH_3 OCH_3)` is :
Last Answer : The bond angle and hybridisation in ether `(CH_3 OCH_3)` is : A. sp B. `sp^(2)` C. `sp^(3)` D. `sp^(3)d`
Description : The bond angle in `XeF_(2)` molecule is
Last Answer : The bond angle in `XeF_(2)` molecule is A. `120^(@)` B. `109^(@)` C. `180^(@)` D. `90^(@)`
Description : Which has the smallest bond angle `X-S-X` in the given molecules ? (X=F, Cl, Br, I)
Last Answer : Which has the smallest bond angle `X-S-X` in the given molecules ? (X=F, Cl, Br, I) A. `SOF_(2)` B. `SOC1_(2)` C. `SOBr_(2)` D. `SOI_(2)`
Description : Bond angle in `SO_(2)` in nearly
Last Answer : Bond angle in `SO_(2)` in nearly A. `119.5^(@)` B. `90^(@)` C. `180^(@)` D. `109^(@)28^(|)`
Description : In `O_(2)F_(2)` the bond angle in between `|__ul(FOO)` is
Last Answer : In `O_(2)F_(2)` the bond angle in between `|__ul(FOO)` is A. `120^(@)` B. `109^(@)31^(1)` C. `90^(@)` D. `180^(@)`
Description : In which of the following the bond angle is maximum
Last Answer : In which of the following the bond angle is maximum A. `H_(2)O` B. `H_(2)S` C. `SO_(2)` D. `SO_(3)`
Description : The maximum bond angle in hydrides of group 16 elements is in
Last Answer : The maximum bond angle in hydrides of group 16 elements is in A. `H_(2)O` B. `H_(2)Se` C. `H_(2)S` D. `H_(2)Te`
Description : What is the bond angle of ICl2-?
Last Answer : The bond angle is 180 because ICl2- has three Lone Pairsattached to it making it Linear.
Description : What is the bond angle and molecular shape of silicon disulfide?
Last Answer : Molecular shape= linearbond angle = 180 degrees
Description : What is the molecular formula, Structure, and bond angle of Phosphorous ?
Last Answer : P4- Phosphorous molecule (Tetra atomic) Structure- Tetrahedral Bond angle – (60 degrees)
Description : Define bond angle.
Last Answer : The angle between the lines joining the nuclei of the bonded atom with a central atom is called bond angle.
Description : In water molecule the bond angle decreases from 109.28 to 104.5, why this does happens ?
Last Answer : The repulsion between lone pair and lone pair electrons In NH3 molecule, the bond angle decreases from 109.28 to 107.3 why does it happen. The more repulsion between lone pair and bond pair
Description : The bond angle between H-C-H in methane molecule is
Last Answer : 109 o 28 | .
Description : The bond angle between carbon atoms in cyclohexane is (a) 60° (b) 90° (c) 109.5° (d) 120°
Last Answer : 109.5°
Description : The bond angle between carbon atoms in cyclohexane is (a) 109°28' (b) 60° (c) 90° (d) 120°
Last Answer : 109°28'
Description : Triethylamine [(CH3CH2)3N] is a molecule in which the nitrogen atom is __________ hybridized and the CNC bond angle is __________. (a) sp2; >109.5° (b) sp2; 109.5° (d) sp3;
Last Answer : sp3;
Description : Which of the following is closest to the C–O–C bond angle in CH3–O–CH3? (a) 180° (b) 120° (c) 109.5° (d) 90°
Description : Explain why the water molecule has a bent shape and a bond angle less than 109.5° The electron repulsion between the two lone pairs of electrons on the oxygen of water causes the O–H bonds to squeeze close together
Last Answer : The electron repulsion between the two lone pairs of electrons on the oxygen of water causes the O–H bonds to squeeze close together
Description : Which of the following statements is not true about propyne, HC–C≡CH3? (a) It contains six sigma bonds. (b) It contains three pi bonds. (c) The H–C–H bond angle is about 109.5°. (d) The C–C–C bond angle is 180°.
Last Answer : It contains three pi bonds
Description : What is the predicted shape, bond angle, and hybridization for CH3+? (a) trigonal planar, 120°, sp2 (b) trigonal planar, 120°, sp3 (c) trigonal planar, 109.5°, sp2 (d) trigonal pyramidal, 120°, sp2
Last Answer : trigonal planar, 120°, sp2
Description : The H–C–H bond angle in ethylene is (a) 60° (b) 120° (c) 90° (d) 180°
Last Answer : 120°
Description : The H–C–C bond angle in ethane is (a) 60° (b) 109.5° (c) 120° (d) 118°28′
Description : What is bond angle between the hybrid orbitals in methane? (a) 180° (b) 120° (c) 109.5° (d) 115.5°
Description : What bond angle is associated with sp3 (read: S - P - hybrid orbitals?
Last Answer : ANSWER: 109.5 DEGREES
Description : What bond angle is associated with sp2 hybrid orbital
Last Answer : ANSWER: 120 DEGREES
Description : What bond angle is associated with sp hybrid orbitals
Last Answer : ANSWER: 180 DEGREES
Description : Which of the following order is incorrect for thermal stability :-
Last Answer : Which of the following order is incorrect for thermal stability :- A. `BeO gt MgO gt CaO` B. `NH_(3) lt H_(2) ... (4) lt Rb_(2)SO_(4) lt Cs_(2)SO_(4)`
Description : Which of the following order is incorrect :-
Last Answer : Which of the following order is incorrect :- A. Ionic character= `MCl lt MCl_(2) lt MCl_(3)` B. ... D. Covalent character`=LiF lt LiCl lt LiBr lt LiI`
Description : When a formula contains a typographical error unnecessary or missing punctuation incorrect order of arguments or an incorrect cell reference it returns?
Last Answer : It returns an error.
Description : Mark the incorrect statement: (A) The postmaster should occasionally examine the paid contents of some of the mail bags opened in order to detect error in sorting (B) The PM ... to ascertain unnecessary detention (D) The PMr should occasionally examine the contents of Registered bags opened
Last Answer : (D) The PMr should occasionally examine the contents of Registered bags opened
Description : Pick up the incorrect statement from the following. While performing preliminary test on concrete (A) Proportions of the material and water should be the same as to be used at the work site (B) ... in air-tight containers (D) Concrete ingredients should be kept at a temperature of 37° 2°C
Last Answer : Answer: Option D
Description : Which of the following statements is incorrect for Parallel Virtual Machine (PVM)? (A) The PVM Communication model provides asynchronous blocking send, asynchronous blocking receive and non-blocking receive function. ... of such messages. (D) In PVM Model, the message order is not preserved.
Last Answer : (D) In PVM Model, the message order is not preserved.
Description : A micro-interaction has been designed for a menu' icon. On clicking this icon, it changes into a different icon representing back', depicted by an arrow. On another click it changes back to the menu icon. Shown below are 13 key-frames of ... 4, 13 D. 1, 4, 9, 3, 5, 6, 8, 12, 2, 10, 11, 7, 13
Last Answer : C